Gray Red-backed Vole vs Amerika-aka-ei

Myodes rufocanus compared with Hypanus americanus

Key Differences

• Gray Red-backed Vole is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Gray Red-backed Vole	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Rodentia (ネズミ目)	Myliobatiformes (トビエイ目)
Family	Cricetidae	Dasyatidae
Genus	Myodes	Hypanus
Species	Myodes rufocanus	Hypanus americanus

Evolutionary Relationship

Gray Red-backed Vole and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Gray Red-backed Vole

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Gray Red-backed Vole	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Norway.

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.